Bash-5.3 patch 1: fix posix-mode issue with "wait -n", where it can return process IDs outside the requested set

jobs.c

@@ -3538,7 +3538,7 @@ return_procsub:
   /* There aren't any dead jobs in the jobs table, but let's see if there's
      one in bgpids. We can do this in posix mode because we'll remove any
      one we find from the table, preserving existing semantics. */
-  if (posixly_correct && (t = bgp_findone ()))
+  if (posixly_correct && (flags & JWAIT_WAITING) == 0 && (t = bgp_findone ()))
     {
       pid = t->pid;
       r = t->status;

patchlevel.h

@@ -25,6 +25,6 @@
    regexp `^#define[ 	]*PATCHLEVEL', since that's what support/mkversion.sh
    looks for to find the patch level (for the sccs version string). */
 
-#define PATCHLEVEL 0
+#define PATCHLEVEL 1
 
 #endif /* _PATCHLEVEL_H_ */